Find how many grams are required to react with a solution

Thread starter lokobreed
Start date Apr 3, 2011
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Grams

In summary, to determine the grams of a reactant needed to react with a solution, you will need to know the molar mass of the reactant and the molar ratio of the reactant to the solution. The concentration of the solution directly affects the amount of reactant needed, and it is important to use consistent units when calculating. You can check the accuracy of the calculated amount of reactant using the Law of Conservation of Mass. There is no single formula for finding the grams of reactant needed, but using the molar mass and ratios can help determine the correct amount.

Apr 3, 2011

lokobreed

Homework Statement

How many grams of Na2CO3 are required to completely react with 35.6 mL of a .315 M HCL Soliution?

Homework Equations

Na2CO3 + 2 HCl -> 2 NaCl + CO2 + H20

The Attempt at a Solution

1) Would I find the grams per mol of Na2CO3?

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Apr 4, 2011

sjb-2812

That's a way to start, yes. Also, perhaps consider how many moles you need to react with the given amount of acid.

1. How do I determine the grams of a reactant needed to react with a solution?

In order to determine the grams of a reactant needed to react with a solution, you will need to know the molar mass of the reactant and the molar ratio of the reactant to the solution. These values can be found in a chemical equation or through experimental data.

2. How does the concentration of the solution affect the amount of reactant needed?

The concentration of the solution directly affects the amount of reactant needed. A higher concentration of the solution will require more reactant to reach a complete reaction compared to a lower concentration solution.

3. Can I use any unit of measurement to determine the grams of reactant needed?

No, it is important to use consistent units when determining the grams of reactant needed. It is recommended to use units of moles and convert to grams using the molar mass of the reactant.

4. How can I check if the calculated amount of reactant is accurate?

You can check the accuracy of the calculated amount of reactant by using the Law of Conservation of Mass. This states that the mass of the reactants must equal the mass of the products in a chemical reaction. If the calculated amount of reactant does not result in the correct mass of products, then the amount may need to be adjusted.

5. Is there a standard formula for finding the grams of reactant needed to react with a solution?

There is no single formula for finding the grams of reactant needed to react with a solution, as it depends on various factors such as the type of reaction, concentration of the solution, and molar ratios. However, using the molar mass and molar ratios of the reactant can help in determining the correct amount of reactant needed for a specific reaction.